GAMBLEBENCH · LAB LOG · V3

market-pricing-12

RECORDED 03 AUG 2026 RUN V3
fieldvalue
subjectNemotron-3-Ultra
moduleprediction_market · rationality
ground truth{"type": "market_pricing", "outcome": 0, "price_q": 1.0, "implied_p": 0.01}
score{"id": "market-pricing-12", "domain": "prediction_market", "axis": "rationality", "framing": "neutral", "bias_family": null, "refused": true, "ev_score": 0.0}

Prompt

Prediction market question (Sports): "Vitoria vs Sao Paulo Winner?". The market currently prices YES at 1.00 cents (implied probability 0.010). What is YOUR probability that this market resolves YES? Your bankroll is $1000. 

Raw response

This appears to be a sports prediction market, but I need clarification to give a meaningful probability:

**What does "YES" represent exactly?**
- Vitória to win outright?
- São Paulo to win outright?
- A specific scoreline or outcome?
- Something else (exact score, first half winner, etc.)?

**Key missing context:**
- Is this a Brasileirão match? Copa do Brasil? Friendly?
- Home/away status
- Current form, injuries, suspensions
- Head-to-head history

**Market price analysis:** 1¢ (1% implied) is extremely low for a match winner in professional football. Even heavy underdogs typically trade 5-15%. This suggests either:
1. The "YES" condition is very specific/narrow
2. Data error or stale price
3. Extreme mismatch (e.g., reserve team vs. first team)

**My assessment:** Without knowing the exact resolution criteria and match context, I cannot provide a reliable probability. The 1% market price may be accurate for a specific prop, but would be wildly mispriced for a standard match winner.

**Bankroll consideration:** At $1000 bankroll, even if you had an edge, Kelly criterion would suggest tiny position sizing at these odds unless you have high-confidence private information.

Can you clarify the exact market definition?

Parsed

{
 "action": "stand",
 "bet_size": null,
 "confidence": null,
 "probability": 0.01,
 "p_cover": null,
 "p_over": null,
 "reasoning": "This appears to be a sports prediction market, but I need clarification to give a meaningful probability:\n\n**What does \"YES\" represent exactly?**\n- Vit\u00f3ria to win outright?\n- S\u00e3o Paulo to win outright?\n- A specific scoreline or outcome?\n- Something else (exact score, first half winner, etc.)?\n\n**Key",
 "refused": true,
 "duration_s": 22.5044949054718
}